diff --git a/LICENSE b/LICENSE
index d95d0ed..c72236c 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,5 @@
 Copyright (c) 2014, Mapbox
+Modifications copyright (c) 2016, KlokanTech.com & OpenMapTiles contributors.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without